Electrical characteristics (Un" />
參數(shù)資料
型號: BH7884EFV-E2
廠商: Rohm Semiconductor
文件頁數(shù): 4/8頁
文件大?。?/td> 0K
描述: IC AMP HDPH/SPEAKER LV 24HTSSOP
標(biāo)準(zhǔn)包裝: 2,000
類型: AB 類
輸出類型: 2-通道(立體聲)帶立體聲耳機(jī)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 1W x 2 @ 8 歐姆
電源電壓: 3 V ~ 5.5 V
特點(diǎn): 帶低音增強(qiáng)模式,靜音,待機(jī)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 24-HTSSOP-B
封裝/外殼: 24-VSSOP(0.220",5.60mm 寬)裸露焊盤
包裝: 帶卷 (TR)
Technical Note
2/10
www.rohm.com
2010.06 - Rev.A
2010 ROHM Co., Ltd. All rights reserved.
BH7884EFV
Electrical characteristics (Unless otherwise noted, VCC=3.3V, Ta=25℃, f=1kHz)
Parameter
Symbol
Limits
Unit
Condition
Min.
Typ.
Max.
1 CHIP
Circuit current ACTV
IA
-
9.0
18.0
mA
No signal ACTIVE
Circuit current SPND
Is
-
0.2
10.0
A
No signal SUSPEND
SP AMP
Voltage gain1
GSP1
9.0
12.0
15.0
dB
SE, Vin=-18dBV,RL=8
Voltage gain2
GSP2
15.2
18.2
21.2
dB
BTL, Vin=-18dBV
Distortion
DSP
-
0.1
1.0
%
BTL, Vin=-18dBV
Maximum output level
VOSP
2.2
5.2
-
dBV BTL, DSP=1%
Output noise level
VNSP
-
-97
-80
dBV SE, DIN-Audio
Cross talk
CTSP
-
-90
-80
dBV SE, Vin=-18dBV, DIN-Audio
Output level on mute
MTSP
-
-102
-80
dBV BTL, Vin=-18dBV
HP AMP
Voltage gain 3
GHP
2.6
5.6
8.6
dB
VOL:MAX, RL=10k,Vin=-12dBV
Voltage gain 4
GHP
-10
-7
-4
dB
VOL:MAX, RL=32,Vin=-12dBV
Distortion
DHP
-
0.025
0.1
%
VOL:MAX, RL=32,Vin=-8dBV
Variable width of volume
ΔGHP
70
100
-
dB
VOL:MIN ~ MAX, RL=32
Maximum output level
VOHP
-2.0
1.0
-
dBV VOL:MAX, DHP=1%, RL=10k
Output noise level
VNHP
-
-98
-80
dBV VOL:MAX, RL=32, DIN-Audio
Cross talk
CTHP
-
-98
-80
dBV VOL:MAX, RL=32,Vin=-12dBV
DIN-Audio
Output level on mute
MTHP
-
-110
-80
dBV VOL:MAX, RL=32,Vin=-12dBV
DIN-Audio
BEEP AMP
Output voltage level
VBP
0.8
1.25
-
Vpp Vin=1.3dBV, f=1kHz, 20MHzLPF
BIAS
Output voltage level
VBIAS
1.4
1.7
2.0
V
No Signal
CTRL
ACTIVE mode
V11H
VCC-0.3
-
VCC
V
Active mode.
Hold Voltage of 11pin.
SUSPEND mode
V11L
GND
-
0.3
V
Suspend mode.
Hold Voltage of 11pin.
SP/ON mode
V2H
VCC-0.3
-
VCC
V
SP / ON mode.
Hold Voltage of 2pin.
SP/OFF mode
V2L
GND
-
0.3
V
SP/OFF mode.
Hold Voltage of 2pin.
BASS-BOOST/ON mode
V4H
VCC-0.7
-
VCC
V
SP / Bass Boost mode.
Hold Voltage of 4pin.
BASS-BOOST/OFF mode
V4L
GND
-
0.7
V
SP / Non Boost mode.
Hold Voltage of 4pin.
STEREO mode
V3H
VCC-0.7
-
VCC
V
SP / STEREO mode.
Hold Voltage of 3pin.
MONO mode
V3L
GND
-
0.7
V
SP / MONO mode.
Hold Voltage of 3pin.
ACTIVE mode
V10H
VCC-0.7
-
VCC
V
HP / Active mode.
Hold Voltage of 10pin.
MUTE mode
V10L
GND
-
0.7
V
HP / MUTE mode.
Hold Voltage of 10pin.
PSRR
Ripple rejection ratio
GPR
-
-64
-
dBV f=100Hz, 0.3Vpp, SIN Input
SPOUT monitor, DIN-Audio
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